n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 15 |
3 | 40 |
4 | 99 |
5 | 212 |
6 | 429 |
7 | 800 |
8 | 1430 |
9 | 2424 |
10 | 3978 |
11 | 6288 |
12 | 9690 |
13 | 14520 |
14 | 21318 |
15 | 30624 |
16 | 43263 |
17 | 60060 |
18 | 82225 |
19 | 110968 |
20 | 148005 |
21 | 195052 |
22 | 254475 |
23 | 328640 |
24 | 420732 |
25 | 533936 |
26 | 672452 |
27 | 840480 |
28 | 1043460 |
29 | 1286832 |
30 | 1577532 |
31 | 1922496 |
32 | 2330445 |
[1,4,15,40,99,212,429,800,1430,2424,3978,6288, 9690,14520,21318,30624,43263,60060,82225,110968, 148005,195052,254475,328640,420732,533936,672452, 840480,1043460,1286832,1577532,1922496,2330445] |